What was found
CORROSION ON TOP OF LT HORIZONTAL STAB PANEL 351AC. REMOVED MINOR CORROSION. PERFORMED AN EDDY CURRENT CHECK OF BLENDED AREA. INSPECTION REVEALED NO CRACKS OR CORROSION INDICATIONS. PERFORMED AN ULTRASONIC THICKNESS CHECK ON BLENDED AREA. READINGS WERE RECORDED ON BLENDED AREAS FOR FURTHER EVALUATION. APPLIED PROTECTIVE TREATMENT TO BARE METAL. CORROSION DETERMINED TO BE BEYOND LIMITS. BLENDED CORROSION AND POLISHED AREA TO 20:1 RATIO AND VERIFIED SURFACE CRACK AND CORROSION FREE. WORK PERFORMED IAW DQ10937M1.